Display screen or portion thereof with icon



The FIGURE is a front view of a display screen or portion thereof with icon, showing my new design.

The broken line showing of the display screen is included for the purpose of illustrating environmental structure and forms no part of the claimed design. The broken lines showing of the text and image are included for the purpose of illustrating portions of the display screen or portion thereof with icon and form no part of the claimed design 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 